D. Siam remained independent because it negotiated unequal treaties with Europeans.

⚘The Roman Republic (Latin: Rēs pūblica Rōmāna [ˈreːs ˈpuːblɪka roːˈmaːna]) was the era of classical Roman civilization, led by the Roman people, beginning with the overthrow of the Roman Kingdom, traditionally dated to 509 BC, and ending in 27 BC with the establishment of the Roman Empire. During this period, Rome's control expanded from the city's immediate surroundings to hegemony over the entire Mediterranean world

Answer:
D. The right to a lawyer; it allows a defendant to always be able to defend themselves in a criminal case.
Explanation:
The famous Supreme Court case Gideon v. Wainright in 1963 was a case regarding a convict Clarence Earl Gideon, who had no legal representation and his pleas to be given a lawyer by the government. The ruling was in favor of Gideon and asked the state to provide a lawyer for the defendant.
According to the 14th Amendment of the US Constitution, every citizen has the right to equal protection under the law. And the 6th Amendment also states that criminal defendants have the right to get representation even if they cannot afford one. So, in respect to these two amendments, the<u> Gideon v. Wainright case touched both issues and thus, gave the defendant the right to be represented by a lawyer and also be given the chance to defend himself in any criminal case.</u>
Thus, the correct answer is option D.
The battle of Antietam was known as the bloodiest war that happened in America. Here, the <span>Union won the battle which led to the Emancipation Proclamation. The proclamation </span><span>was given by President Lincoln who declared the freedom of slaves in the South. </span><span>This immediately helped the slaves escape the Confederates and go to the Union based areas.</span>